Ospreys staged a dramatic final-quarter recovery to beat Zebre Parma 28-24 at Stadio Sergio Lanfranchi.
Zebre Parma had a late try disallowed as they fell agonisingly short of completing a second-half fightback for the second week running
Edinburgh head coach Mike Blair has handed Cammy Hutchison and Freddie Owsley starts against Zebre as the push for silverware continues.
Italian URC side Zebre have strengthened their pack with the signing of New Zealand born No.8 Taina Fox-Matamua.
Tasman have named an impressive squad that features four All Blacks, 21 Super Rugby stars and a German teenager to defend their Mitre 10 Cup crown.
Ponsonby have secured their first trophy of the season, defeating Eden 34-30 in the Waka Nathan Challenge Cup final.